AMPTRON INTERNATIONAL, INC. P9-640 Processor 80386SX Processor Speed 25/33MHz Chip Set ALI Video Chip Set None Maximum Onboard Memory 16MB Maximum Video Memory None Cache None BIOS AMI Dimensions 220mm x 220mm I/O Options None NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location External battery J4 Turbo LED J8 pins 1 & 2 Reset switch J6 Turbo switch J8 pins 4 & 5 Speaker J7 Power LED & J9 keylock USER CONFIGURABLE SETTINGS Function Label Position Address delay enabled J5 Closed Address delay disabled J5 Open NPU synchronous with CPU JP2 Pins 1 & 2 closed NPU asynchronous with CPU JP2 Pins 2 & 3 closed » Factory configured - do not JP3 Unidentified alter Monitor type select color JP4 Pins 2 & 3 closed Monitor type select monochrome JP4 Pins 1 & 2 closed Parity check enabled JP6 Closed Parity check disabled JP6 Open DRAM CONFIGURATION Size Bank 0 Bank 1 512KB (2) 256K x 9 None 1MB (2) 256K x 9 (2) 256K x 9 2MB (2) 1M x 9 None 4MB (2) 1M x 9 (2) 1M x 9 8MB (2) 4M x 9 None 16MB (2) 4M x 9 (2) 4M x 9 CPU SPEED SELECTION Speed JP1 JP5 25MHz Pins 1 & 2 closed Pins 1 & 2 closed 33MHz Pins 2 & 3 closed Pins 2 & 3 closed